一、重点短语
1. climb the hill爬山climb (up)…爬… (p38)
〈知识链接〉①climb up the Great Wall爬长城
②climb into the bed爬上床
③climb through the window从窗户爬出来
④climb over the wall翻越墙
2. need to exercise and keep fit需要锻炼来保持健康
〈知识链接〉⑴keep fit, keep healthy, stay healthy保持健康
⑵need作名词时，构成短语in need。作行为动词时有人称和数的变化，后接不定式或动名词；当主语和它后面的动词之间有一种被动关系时，使用need doing或need to be done。作情态动词时无人称和数的变化，后接动词原形。
①We should help people in need. ② He needs to study hard.
③A lot of homework needs finishing.＝A lot of homework needs to be finished.
3. come on (命令句)快，快点吧；走吧；跟我来；好啦好啦；这边来吧
〈知识链接〉Come on! We’ll be late for school.快点！我们上学要迟到了。
4. Let’s enjoy ourselves!
〈知识链接〉⑴enjoy oneself＝have a good time玩得高兴,过得愉快，
反身代词与主语保持一致。
⑵Let’s do sth., shall we? 除此以外的祈使句，无论是肯定式还是否定式，附加疑问部分一律用will you。e.g.
①Don’t be late again, will you? ②Open the door, will you? ③Let us go home, will you?
5. take a boat trip乘船旅行，go past the Opera House经过悉尼歌剧院
6. sit in a little coffee shop by the River Seine坐在塞纳河畔的一个小咖啡店里
〈知识链接〉⑴coffee house咖啡店；茶馆，coffee shop咖啡店
⑵by…在…旁边(比near近) Come and warm yourself by the fire.过来烤烤火。
7. take care保重；当心，小心
〈知识链接〉⑴take (good) care of…＝look after…well (好好)照顾…
⑵look out当心look out of向…外看
⑶be careful小心be careful of/with…珍视；注意
Please be careful of your health. 请注意你的健康。
8. a beautiful building with a big garden and many trees 介词短语作后置定语，修饰名词。
9. foreign country外国，a foreign language一门外语
10. have a wonderful/great/good time 玩得高兴；过得愉快 (p40)